900823394 has 8 divisors (see below), whose sum is σ = 1351831260. Its totient is φ = 450212976.

The previous prime is 900823373. The next prime is 900823397. The reversal of 900823394 is 493328009.

It can be written as a sum of positive squares in 2 ways, for example, as 874680625 + 26142769 = 29575^2 + 5113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×900823394² = 1622965574355358472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (900823397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93629 + ... + 102800.

Almost surely, 2^900823394 is an apocalyptic number.

900823394 is a deficient number, since it is larger than the sum of its proper divisors (451007866).

900823394 is a wasteful number, since it uses less digits than its factorization.

900823394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198724.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 900823394 is about 30013.7200959828. The cubic root of 900823394 is about 965.7837312176.

The spelling of 900823394 in words is "nine hundred million, eight hundred twenty-three thousand, three hundred ninety-four".